package com.yh.gulimall.order.web;

import com.yh.gulimall.order.service.OrderService;
import com.yh.gulimall.order.vo.OrderConfirmVo;
import com.yh.gulimall.order.vo.OrderSubmitVo;
import com.yh.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model, HttpServletRequest request) throws ExecutionException, InterruptedException {
        //展示确认订单的数据
        OrderConfirmVo confirmVo=orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        return "confirm";
    }

    /**
     * 下单功能
     * @param orderSubmitVo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo orderSubmitVo, Model model, RedirectAttributes redirectAttributes){
        //下单：去创建订单、验令牌、验价格、锁库存
        //成功-》支付选择页面  失败-》回到订单确认页
        SubmitOrderResponseVo responseVo=orderService.submitOrder(orderSubmitVo);
        System.out.println(orderSubmitVo);
        if(responseVo.getCode()==0){//代表下单成功
            model.addAttribute("submitOrderResponseVo",responseVo);
            return "pay";
        }else{
            String msg="下单失败";
            switch (responseVo.getCode()){
                case 1: msg+="令牌校验失败";break;
                case 2: msg+="订单商品价格发生变化，确认后再次提交";break;
                case 3: msg+="锁定库存失败,商品库存不足";break;
            }
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
